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First Delta IV Liquid-Hydrogen Tank Completes Testing
Workers at the Boeing facility in Decatur, Ala., use an overhead crane to load a 70' by 16' hydrogen tank for a Delta IV common booster core (CBC) onto a transport. Technicians successfully completed pressure testing on this hydrogen tank on Aug 25th. Boeing will use the first CBC as a static fire unit, which is scheduled for shipment to Stennis Space Flight Center in Stennis, Mississippi, in early 2000. The hydrogen tank -- along with a previously completed liquid-oxygen tank -- is part of the first Delta IV CBC built by Boeing. The common booster cores are the major component of each of the Delta IV family of launch vehicle variants. The CBCs, which contain the propellant tanks and the Rocketdyne produced RS-68 main engine, are comparable to the size of a Boeing 737 fuselage.
Photo Credit: Boeing Photo
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